Hallucinations : types, stages and treatments / Meredith S. Payne, editor.

Format:

Book

Contributor:

Payne, Meredith S.

Series:

Neuroscience research progress series.

Neuroscience research progress

Language:

English

Subjects (All):

Hallucinations and illusions.

Physical Description:

1 online resource (263 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2011.

Language Note:

English

Summary:

A hallucination, in the broadest sense, is a perception in the absence of a stimulus. In a stricter sense, hallucinations are defined as perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception, in that they are vivid, substantial, and located in external objective space. The latter definition distinguishes hallucinations from the related phenomena of dreaming, which does not involve wakefulness. This new book gathers and presents research from around the globe in the study of hallucinations including the origin of hallucinations, auditory verbal hallucinations in schizophrenic patients, Charles Bonnet Syndrome, as well as hallucinations and suicide risk and the neurobiological basis of hallucinations.

Contents:

Intro

Library of Congress Cataloging-in-Publication Data

HALLUCINATIONS: TYPES, STAGES AND TREATMENTS

Contents

Preface

About the Origin of Hallucinations: From a Phenomenological, Cognitive and Neurophysiological Point of View

Abstract

1. Introduction

2. The Origin of Hallucinations: From Perception to Hallucination

2.1. The Role of Mental Imagery for the Occurrence of Hallucinations

2.2. Findings of the Relationship between Mental Imagery and Hallucinations: From Normal Individuals to Schizophrenia

2.3. Mental Imagery and Hallucinations: Summary

3. The Origin of Hallucinations: From a Metacognitive and Cognitive Perspective

3.1. Toward a Metacognitive Model of Hallucinations

3.2. Cognitive Theories: Summary

4. The Origin of Hallucinations: Neurophysiological Evidence

4.1. Functional Imaging of Visual Hallucinations

4.1.1. Functional imaging of visual hallucinations in a patient with schizophrenia

4.1.2. Functional neuroimaging of visual hallucinations during prolonged blindfolding

4.2. Summary of the Neurophysiological Findings

Conclusion

Acknowledgments

References

Auditory Verbal Hallucination in Schizophrenic Patients and the General Population: The Sense of Agency in Speech

Introduction

Measuring the Auditory Hallucination-like Experiences in the General Population: AHES-40

Developing the Shorten Version of AHES-40

Method

Participants

Materials

Procedure

Results and Discussion

Auditory Verbal Hallucination and the Sense of Agency

Developing the Sense of Agency Scale

Development of the scale

Participants and procedure

Results

Confirmation of Reliability

Confirmation of Validity

Discussion.

Neurocognitive Model for the Sense of Agency and the Auditory Verbal Hallucination

The Roles of Negative Affect in Auditory Hallucinations

Auditory Hallucinations

Negative Affect

Negative Affect and Schizophrenia

Negative Affect and Auditory Hallucinations

The Role of Negative Affect in the Onset and Maintenance of Auditory Hallucinations

Negative Affect and the Phenomenology of Auditory Hallucinations

Clinical Implications

Hallucinations and Intrusive Thoughts

Hallucinations: Definition and Characteristics

1. Models of the Hallucinatory Experience

1.1. The Perceptual Account

1.2. The Interpretative Account

2. Do Hallucinations Derive from Intrusive Thoughts? Insights from Experimental Psychology

3. The Relationship between Inhibitory Dysfunctions, Intrusions and Hallucinations: A Cognitive Model

4. Implications

4.1. Schizophrenia and Other Mental Disorders

4.2. Implications for Treatment

Charles Bonnet Syndrome

A. Introduction

B. Definition and Syndrome Origins

C. Hallucinatory Content

D. Image Categorization

E. Clinical factors

F. Epidemiology

G. Anatomical Considerations

H. Pathophysiology

I. Disease Course and Management

J. Differential Diagnosis

Assessing Anomalous Perceptions in Youths: A Preliminary Validation Study of the Cardiff Anomalous Perceptions Scale (CAPS)

Prediction and Persistence of Anomalous Perceptions in Youths

Appraisal Contributes to the Maintenance of Anomalous Perceptions through the Promotion of Emotional Distress

Attention and the Intrusiveness of Some Anomalous Perceptions

Statistical Analyses

Results.

Descriptive Statistics

Exploratory Factor Analysis

Intra-Group Comparisons

Association with Clinical Characteristics

The Multifactorial Structure of Anomalous Perceptions

The Experiential Dimensions of Anomalous Perceptions in Youths

Anomalous Perceptions and Adolescents Seeking Psychological Help

Psychotic-like Experiences in Nonclinical Adolescents

The Explanation of Hallucinatory and Delusional Phenomena

Prevalence of Psychotic-like Experiences in Nonclinical Adolescents

Influence of Gender and Age in the Expression of Psychotic-like Experiences

Prediction and Temporal Persistence of PLEs in Adolescents across Longitudinal Studies

Relationship between Psychotic-like Experiences and Other Clinical Symptoms in Adolescents

Gaps in Knowledge

To Sum up

Nonpharmacological Inhibition of Cerebral Dopaminergic Activity May Be an Option for Medication- Resistant Hallucinations

Rationale for a Temporary Protein-Free Diet

Rationale for Repeated Hyperthermia

Testing

Hallucinations and Suicide Risk: Future Directions for Research and Clinical Implications

Command Hallucinations and Suicidal Behaviour

Methodological Problems

The Association between Command Hallucinations and Suicidal Behaviour: The Role of Compliance

Treatment Interventions

Behavioral Symptoms of Dementia

Behaviors While the Patient Is Solitary

Agitation

Apathy

Behaviors While Patient Is Interacting with Others

Resistiveness to care

Abusive behavior

Depression in Dementia

Antipsychotic Therapy

References.

Analysis and Relevance of Psychotic-Like Experiences: Repercussions on the Continuity Model of Hallucinations

Hallucination-like Experiences in Clinical and General Population

Methodological Aspects

Factors Related to HLEs

Conclusions

Hallucinatory Disorder: A Clinical Entity?

History

Hallucinatory Disorder: Clinical Picture

Neurocognitive Aspects

Neuroimaging Data

The Neurobiological Basis of Hallucinations

Social Variables Related to the Origin of Hallucinations

Social Factors Associated with the Origin of Hallucinations

Psychological Treatment of Hallucinations

Index.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

ISBN:

1-61728-811-X

OCLC:

785911194